JP2014120354A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To maintain installation compatibility with an existing fluorescent lamp fixture, be easy to mount a straight tube type LED lamp and never give an electric shock, so as to, in the case of an erroneous mounting of the straight tube type LED lamp and fluorescent lamp to the LED lighting fixture and the existing fluorescent lamp fixture, prevent breakage of the LED lighting fixture and fluorescent lamp fixture.SOLUTION: An LED lighting device 10 comprises a straight tube type LED lamp 100 including an LED element, an LED substrate 150 in which the LED element is mounted, an LED lighting circuit board 160 for lightening the LED element, and a base which is the same as that of a conventional fluorescent lamp on at least one end side, and an LED lighting fixture 200 including sockets 210, 220 in which the base is mounted and electrically connected to commercial AC power source. In the LED lighting device 10, current cutoff members 170, 240 are provided for cutting off the current when a predetermined temperature or current value is exceeded in both an electrical wiring of the straight tube type LED lamp 100 and an electrical wiring in the LED lighting fixture 200.

Description

  The present invention relates to an LED lighting device using an LED element as a light source, and more particularly to a straight tube LED lighting device having lamp mounting compatibility with an existing fluorescent lamp (discharge lamp) fixture.

In recent years, LED lamps using LED elements excellent in power saving as light sources have been actively used due to increasing environmental awareness. Particularly recently, straight tube LED lamps that can be mounted on existing fluorescent lamp fixtures have been developed and sold.

For example, in Patent Document 1, various straight tube LED lamps that are fed on one side or both sides and ballasts and glow lamps are removed from existing fluorescent lamp fixtures, and wiring work is performed to connect a commercial AC power source and a socket. An LED lighting device is disclosed which is composed of an LED lighting fixture. In particular, by using the straight tube LED lighting device shown in FIGS. 21 to 24 and the straight tube LED lighting device shown in FIG. There is provided an LED lighting device that can be mounted even from the direction of the lamp and that has no fear of electric shock.
Further, in Patent Document 2, a straight tube LED lamp is provided with an energized end connected to a commercial AC power source at one end and a non-energized end at the other end to prevent damage to the straight tube LED lamp due to overcurrent. Therefore, an LED lighting device is disclosed in which a current blocking member is provided in either the straight tube type LED lamp or the LED lighting device from which the ballast is removed to protect the straight tube type LED lamp from overcurrent. Yes.

US2011 / 0006702 JP2011-86602A

However, when the base side having the shorted base terminal of the straight tube LED lamp described in Patent Document 1 and FIG. 7 is first attached to a socket of an existing fluorescent lamp or LED lighting fixture, There is a risk of overcurrent flowing through the wiring on the fluorescent lamp fixture or LED lighting fixture side and being damaged.
In addition, when a conventional fluorescent lamp (discharge lamp) is mounted on the LED lighting apparatus in which the wiring work shown in FIG. 7 is performed, the impedance of the filament of the conventional fluorescent lamp is higher than the impedance of the straight tube LED lamp. Since it is small, an overcurrent may flow through the filament of the fluorescent lamp and burn out.

In Patent Document 2, since current is supplied only from one base of the straight tube type LED lamp and one socket of the LED lighting device, the straight tube type LED lamp is attached to the LED lighting device. In addition, you must be careful about the direction of installation. In addition, since the current blocking member is only provided on either the straight tube LED lamp or the LED lighting fixture side, the conventional LED lighting fixture not provided with the current blocking member is similar to the above-mentioned Patent Document 1. When a fluorescent lamp is mounted, the filament of the fluorescent lamp may burn out.
As described above, Patent Documents 1 and 2 do not suggest or describe any damage caused by erroneous mounting of a fluorescent lamp (discharge lamp).

The present invention has been made as a result of intensive studies to solve the above-described problems, and maintains mounting compatibility with existing fluorescent lamp fixtures. Even if a straight tube LED lamp or a fluorescent lamp (discharge lamp) is erroneously attached to a lighting fixture or an existing fluorescent lamp fixture, the straight tube LED lamp, the fluorescent lamp, the LED lighting fixture, or the fluorescent lamp Provided is an LED lighting device in which instrument breakage is prevented.

In the invention of claim 1, the LED element, the LED board on which the LED element is mounted, the LED lighting circuit board that lights the LED element, and at least one end side the same base as the conventional fluorescent lamp, In the LED lighting device, comprising: a straight tube LED lamp having a lamp; and an LED lighting apparatus having a socket electrically connected to a commercial AC power source to which the base is mounted. A current interrupting member that interrupts the current when a predetermined temperature or current value is exceeded is provided in both of the electrical wiring and the electrical wiring in the LED lighting apparatus.

  According to the second aspect of the present invention, the straight tube type LED lamp having a base provided with a pair of base terminals at both ends and a pair of contacts that are in electrical contact with the base terminals are accommodated. In the LED lighting device comprising the two LED sockets A and B, the pair of base terminals of the base and the LED lighting circuit board are electrically connected to each other. A pair of base terminals of the other base are electrically connected via the current blocking member, and between one contact of the socket A and one core wire of the commercial AC power source. , Electrical wiring is provided, electrical wiring is provided between one contact of the socket B and the other core wire of the commercial AC power supply, and the other contact of the socket A and the other contact of the socket B Electrical wiring is provided between the child and the three places In at least one position of electrical wiring, and is characterized in that the current interrupting member is installed.

According to the first aspect of the present invention, a straight tube type LED lamp is erroneously attached to a fluorescent lamp apparatus in which wiring work is not performed or an LED lighting apparatus having different specifications, and the rated current of the LED element is connected from the lighting apparatus side. Even if an overcurrent exceeding 1 is supplied to the straight tube LED lamp, the current interrupting member installed in the straight tube LED lamp operates to prevent the LED element from being damaged.
Even if a fluorescent lamp (discharge lamp) is mistakenly attached to the LED lighting fixture and an overcurrent flows, the current blocking member provided in the LED lighting fixture cuts off the overcurrent, so that the filament of the fluorescent lamp is baked. can not cut.

According to the invention of claim 2, it is easy to mount the straight tube type LED lamp on the LED lighting device without electric shock, and the current blocking member is provided between one base terminal of the straight tube type LED lamp, and the LED lighting device. Since a current interrupting member is provided between the AC power supply on the side of the socket and the contact of the socket, incorrect installation of straight tube LED lamps or fluorescent lamps (discharge lamps) to LED lighting fixtures or existing fluorescent lamp fixtures Even if this occurs, an LED lighting device is provided in which the straight tube LED lamp, the fluorescent lamp, the LED lighting fixture, and the fluorescent lighting fixture are prevented from being damaged.

External view of LED lighting device of this embodiment Sectional view of straight tube type LED lamp of this embodiment Schematic configuration diagram of the LED lighting device of the present embodiment Schematic configuration diagram in which a fluorescent lamp (discharge lamp) is mounted on the LED lighting apparatus of the present embodiment

  Preferred embodiments of the present invention will be described below with reference to the drawings. This embodiment is an example, and the present invention is not limited to this.

First, the configuration of the present embodiment will be described.
As shown in FIG. 1, the illumination device 10 includes a single straight tube LED lamp 100 and an LED lighting apparatus 200 to which the straight tube LED lamp 100 is attached. In addition, although the straight tube | pipe type LED lamp is used for the lamp | ramp of this embodiment, it does not specifically limit to this. For example, the external appearance may be a ring shape or a U shape, and a plurality of lamps may be connected in parallel.

As shown in FIGS. 1 and 2, the outer periphery of the LED lamp 100 includes a supporting base 110 made of aluminum having a semicircular cross section and a hollow cylindrical shape, and a bowl-shaped transparent part having a semicircular cross section covering the supporting base 110. It consists of the optical cover 120 and the caps 130 and 140 installed at both ends.
As shown in FIG. 2, the LED substrate 150 on which the LED element 1 is mounted is placed on the flat surface 111 of the support base 110, and the LED lighting circuit substrate 160 on which the electronic component 2 is mounted is in the hollow portion 112. It is stored. The LED lighting circuit board may be housed in the support base 110 after being housed in an electrically insulating housing such as plastic in order to improve electrical insulation with the support base 110.

  The translucent cover 120 is formed in a bowl shape with a semicircular cross section using a polycarbonate resin containing a diffusing material. In addition, an acrylic resin and other well-known transparent resin can be used instead of a polycarbonate resin.

The base 130 includes a pair of base terminals 131 and 132, is attached to the socket 210, and is supplied with commercial AC power. One end sides of the cap terminals 131 and 132 are electrically connected to the LED lighting circuit 160 as shown in FIG.
The base 140 includes a pair of base terminals 141 and 142 and is attached to the socket 220. One end sides of the base terminals 141 and 142 are electrically connected to each other through a current interrupting member 170 inside the base 140 as shown in FIG.

  The LED board 150 is a printed board made of a long glass epoxy board, and the LED elements 1 are mounted in a row on one surface. As the LED element 1, a daylight-colored high-intensity LED element was used. However, the LED element 1 may be mounted so that the color can be adjusted by using a light-bulb-colored high-intensity LED element or using both daylight-colored and bulb-colored LED elements. . Moreover, you may use printed circuit boards, such as a copper-clad glass epoxy board | substrate, a ceramics board | substrate, and a metal substrate, as a LED board.

The LED lighting circuit board 160 is also a printed circuit board made of a glass epoxy board having the same length as described above. On the board, circuits such as electronic component protection, noise filter, rectification, power factor improvement, and LED driving are provided. Various electronic components for forming are mounted.
An input / output unit to which the base terminals 131 and 132 are electrically connected is formed at two places (not shown) on the LED lighting circuit board 160, and a commercial AC power source supplied from the socket 210. Is converted into direct current by the LED lighting circuit board 160 and supplied to the LED board 150.

  The current interrupting member 170 is a member that interrupts the current flowing through the circuit when a predetermined temperature or current value is exceeded. In the present embodiment, a fuse that is blown by an overcurrent is used. A known self-recovering current interrupting member such as a PTC thermistor or a polyswitch whose resistance increases as it rises may be used.

In the LED lighting apparatus 200, a socket 210 to which a base 130 is attached and a socket 220 to which a base 140 is attached are installed according to the length of the LED lamp 100, and a power source into which a core wire of a commercial AC power source is inserted. A current blocking member 240 is installed in the middle of the electric wiring between the terminal block 230 and the power supply terminal block 230 and the socket 210, and power from a commercial AC power supply is supplied to the socket 210 via the current blocking member 240. Is done.

As illustrated in FIG. 3, the socket 210 includes contacts 211 and 212, and the socket 220 includes contacts 221 and 222.
The power supply terminal block 230 is a known terminal block with a built-in quick connection terminal, and the L side core wire of the commercial AC power supply is inserted into the quick connection terminal 231 and the N side core wire is inserted into the quick connection terminal 232, respectively. Has been.
Although the fuse similar to the above-mentioned current interruption member 170 was used as the current interruption member 240, a self-recovering PTC thermistor or a polyswitch may be used.
The contact 211 is electrically connected to one end side of the current interrupting member 240, the other end side of the current interrupting member 240 is connected to the quick connection terminal 231, and is electrically connected to the L side of the commercial AC power supply via the current interrupting member. It is connected to the.

The contact 221 of the socket 220 is connected to the quick connection terminal 232 and is electrically connected to the N side of the commercial AC power supply. Furthermore, the contact 212 of the socket 210 and the contact 222 of the socket 220 are electrically connected.
In the present embodiment, the current interrupting member 240 is installed in the electrical wiring between the L side of the commercial AC power supply and the contact 211, but is not limited to this, and between the N side of the commercial AC power supply and the contact 221. May be installed on the electrical wiring between the contactor 212 and the contactor 222.

Next, the current flow when the straight tube LED lamp 100 is mounted on the LED lighting apparatus 200 (for convenience, the current flow direction is from the L side to the N side of the commercial AC power source) and the current blocking member. The effect of 170 and the effect of the current interrupting member 240 when the fluorescent lamp (discharge lamp) 300 is mounted by mistake will be described.
As shown in FIG. 3, the current comes out from the L side of the commercial AC power supply, passes through the quick connection terminal 231, the current interrupting member 240, and the contact 211 in order, and reaches the attached base terminal 131. Furthermore, it flows into the LED lighting circuit board 160 and is converted into direct current, and each LED element 1 of the LED board 150 is turned on, and passes through the LED lighting circuit board 160, the base terminal 132, and the contact 222 in order, and reaches the attached base terminal 142. . From there, the current interrupting member 170, the base terminal 141, the contact 221 and the quick connection terminal 232 are sequentially passed to enter the N side of the commercial AC power supply.

Even if the straight tube LED lamp 100 is mounted in the reverse direction, that is, the base 130 is mounted on the socket 220 and the base 140 is positioned on the socket 210 (although the explanation of the current direction is reversed), the current is the same as described above. LED element 1 lights up, and it is an LED lighting device with good wearability that can be turned on regardless of the direction of attachment.
In addition, when the base 140 is first attached to the socket 210 or 220 and a short circuit occurs in the LED lighting apparatus 200, the fuse of the current interrupting member 170 is melted and the current is interrupted, and the wiring of the LED lighting apparatus 200 is performed. Damage is prevented.

FIG. 4 shows a state in which a fluorescent lamp (discharge lamp) 300 is mounted on the LED lighting apparatus 200. Since the impedance of the filament 310 of the fluorescent lamp 300 is smaller than the impedance of the straight tube LED lamp 200, an overcurrent flows through the fluorescent lamp 300 and the filament 310 may burn out. However, the current interrupting member 240 installed in the LED lighting apparatus 200 is activated, the fuse is blown, the current to the fluorescent lamp 300 is interrupted, and damage such as burnout of the filament is prevented.
As described above, according to the present invention, even when an LED lighting fixture or an existing fluorescent lamp fixture has a straight tube LED lamp, or a fluorescent lamp (discharge lamp) is erroneously mounted, the straight tube LED lamp, Damage to the fluorescent lamp, the LED lighting apparatus, and the fluorescent lamp apparatus can be prevented.

1: LED element 2: Electronic component 10: LED lighting device 100: Straight tube LED lamp 110: Support base material 120: Translucent cover 130, 140: Base 131, 132, 141, 142: Base terminal 150: LED substrate 160: LED lighting circuit board 170: current interrupting member (fuse)
200: LED lighting fixtures 210, 220: sockets 211, 212, 221, 222: contactor 230: power terminal block 231, 232: fast connection terminal 240: current interrupting member (fuse)
300: Fluorescent lamp (discharge lamp)
310: Filament

Claims (2)

A straight tube LED lamp comprising an LED element, an LED board on which the LED element is mounted, an LED lighting circuit board that lights the LED element, and at least one end of the same base as a conventional fluorescent lamp;
An LED lighting apparatus having a socket electrically connected to a commercial AC power source, to which the base is mounted;
In the LED lighting device comprising:
A current interrupting member that interrupts current when a predetermined temperature or current value is exceeded is provided in both the electrical wiring in the straight tube LED lamp and the electrical wiring in the LED lighting fixture. LED lighting device. The straight tube LED lamp provided with both ends of a base provided with a pair of base terminals;
An LED lighting device comprising two sockets A and B in which a pair of contacts that are in electrical contact with each of the cap terminals are housed;
In the LED lighting device comprising:
A pair of base terminals of one of the bases and the LED lighting circuit board are electrically connected,
A pair of base terminals of the other base are electrically connected via the current interrupting member,
Electrical wiring is provided between one contact of the socket A and one core wire of the commercial AC power source,
Electrical wiring is provided between one contact of the socket B and the other core wire of the commercial AC power source,
Electrical wiring is provided between the other contact of socket A and the other contact of socket B,
The LED lighting device according to claim 1, wherein the current interrupting member is installed in at least one of the three electrical wirings.